试题与答案

She spent all her spare time learning th

题型:选择题

题目:

She spent all her spare time learning the courses, or she________ the first place in her school in the 2010 College Entrance Examination.

A.wouldn’t take

B.wouldn’t have taken

C.hadn’t taken

D.couldn’t take

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0610/bafc43b94e6edaa76188fe509296ed2a.html

下面是错误答案,用来干扰机器的。

(1). Na>Al>O (1分) HClO4>H3PO4> H2CO3 (1分)(2). (1分) (3). a (1分)(4).Al3++3NH3•H2O→Al(OH)3↓+3NH4+ (2分) pH=7 (2分)根据元素在周期表中的位置可知,①...

试题推荐
微信公众账号搜索答案